[논문]Effects of Nitrogen Fertilizer on Growth of Indigofera pseudo-tinctoria in Kyongseodong Waste Landfill, Incheon

Kim, Kee-Dae; Lee, Sang-Mo; Lee, Eun-Ju

doi:10.5141/jefb.2003.26.2.071

Effects of Nitrogen Fertilizer on Growth of Indigofera pseudo-tinctoria in Kyongseodong Waste Landfill, Incheon 원문보기

한국생태학회지 = The Korean journal of ecology, v.26 no.2 = no.112, 2003년, pp.71 - 74

Kim, Kee-Dae (Biological Resources Division, National Institute of Environmental Research) , Lee, Sang-Mo (National Instrumentation Center for Environmental Management, Seoul National University,) , Lee, Eun-Ju (School of Biological Sciences, Seoul National University)

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Effects of nitrogen addition on the growth of Indigofera pseudo-tinctoria (Leguminosae) in the waste landfill site was investigated. Nitrogen fertilization in the nitrogen poor soils of waste landfill may influence the growth of nitrogen fixing plants beneficially or detrimentally. When I. pseudo-tinctoria was fertilized with three different levels of nitrogen, the coverage of plants treated with 46 g N/$m^2$ and 460 g N/$m^2$ was significantly less than that of plants treated with 23 g N/$m^2$. The growth rates of plant height treated with 46 g N/$m^2$ and 460 g N/$m^2$ were significantly less than those of plants treated with 23 g N/$m^2$. The growth rates of plant diameter treated with 46 g N/$m^2$ and 460 g N/$m^2$ were significantly less than those of plants treated with 23 g N/$m^2$. Dry weights of whole plants in control sites were higher than those of all the others nitrogen treatment sites. Nodule numbers were higher in control plants than those of plants in all the other nitrogen treatment sites. It is suggested that nitrogen fertilizer addition over 23 g N/$m^2$ affect the growth of some nitrogen fixing plants, such as I. pseudo-tinctoria, negatively.

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문제 정의

But, there have been little studies about effects of nitrogen fertilization upon the growth of nitrogen fixing plants. The aim of this study is to estimate effects of nitrogen fertilization upon growth of I. pseudo-tinctoria, one of most widespread nitrogen fixing shrubs in the waste landfill, South Korea.

제안 방법

After heights and DRC of Indigofera pseudo-tinctoria were measured, entire parts of the plant were harvested and transported into the laboratory for further analysis. In the laboratory, leaf parts were separated with hands.
Each macroplot was quartered to 2 × 2 m subplots (microplots) for the chemical treatment experiment. Before chemical treatments, we tagged 20 plants with consecutive numbers and recorded height and DRC(Diameter at root collar) with a staff and a vemiercaliper during the same day. The cover and sociability of all vegetation in each microplot were recorded according to Braun-Blanquet method(Fuller and Conard 1932).

이론/모형

One hundred-six days after chemical treatments, the covers of all vegetation in each microplot were recorded according to Braun-Blanquet method. We recorded again heights and DRC of tagged plants.
Before chemical treatments, we tagged 20 plants with consecutive numbers and recorded height and DRC(Diameter at root collar) with a staff and a vemiercaliper during the same day. The cover and sociability of all vegetation in each microplot were recorded according to Braun-Blanquet method(Fuller and Conard 1932). We added 23 g, 46 g and 460 g nitrogen per m² in each microplot in random orders.

성능/효과

As a result of comparison of height and DRC growth change of I. pseudo-tinctoria after nitrogen treatments, all treatments showed different growth rates significantly (Kruskal-Wallis test; P < 0.01). As for height growth, height growth rates of Indigofera pseudo-tinctoria treated with 23 g N/m² and control were significantly higher than those of plants treated with 46 g N/m² and 460 g N/m² (Fig.
The active nodule estimation are really needed to investigate effects nitrogen fertilization on growth and activity of nodule. In conclusion, when nitrogen is added into nitrogen poor waste landfill sites where legume plants are widespread, nitrogen should be fertilized with care not to reduce legume plant performance.
01 %, which is lower than those in the abandoned old-field (Kim 2001, Lee and Kim 1996). This study results shows that many legume plants such as Robinia pseudo-acacia, Amorpha fruticosa, Lespedeza bicolour and Indigofera pseudo-tinctoria were dominant shrubs locally and a certain amounts of nitrogen fertilization showed detrimental effects on growth of Ⅰ. pseudo-tinctoria (Fig.

참고문헌 (5)

Jha, Prakash K., Nair, Suresh, Gopinathan, M. C., Babu, C. R.. Suitability of rhizobia-inoculated wild legumes Argyrolobium flaccidum, Astragalus graveolens, Indigofera gangetica and Lespedeza stenocarpa in providing a vegetational cover in an unreclaimed limestone quarry. Plant and soil, vol.177, no.2, 139-149.

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Kanmegne, J.; Bayomock, L.A. etc. "Screening of 18 agroforestry species for highly acid and aluminum toxic soils of the humid tropics." Agroforestry systems, v.49 no.1 (2000), pp. 31-39, doi:10.1023/A:1006334931018.
Norgren, Olov. Growth analysis of Scots pine and lodgepole pine seedlings. Forest ecology and management, vol.86, no.1, 15-26.

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Reinsvold, Robert J., Pope, Phillip E.. Combined effect of soil nitrogen and phosphorus on nodulation and growth of Robiniapseudoacacia. Canadian journal of forest research. Journal canadien de la recherche forestière, vol.17, no.8, 964-969.

상세보기
Streeter, John, Wong, Peter P.. Inhibition of legume nodule formation and N2 fixation by nitrate. Critical reviews in plant sciences, vol.7, no.1, 1-23.

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Effects of Nitrogen Fertilizer on Growth of Indigofera pseudo-tinctoria in Kyongseodong Waste Landfill, Incheon 원문보기

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Effects of Nitrogen Fertilizer on Growth of Indigofera pseudo-tinctoria in Kyongseodong Waste Landfill, Incheon 원문보기

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